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Concrete Slab over Polyethylene

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Video describing concrete slab over polyethylene barrier.

Spray foam on a stone or rubble foundation

CAD File

Passive House Basement Foundation Walls: Karuna Video #3

Video

Video describing the details of the basement foundation walls in a passive house.

Pest proofing of this unvented crawlspace includes a metal termite shield that extends out from sill plate, metal flashing wrapping bottom of exterior rigid foam, and a termite inspection gap above interior rigid foam.

Pest proofing of this unvented crawlspace includes a metal termite shield that extends out from the sill plate, metal flashing wrapping the bottom of exterior rigid foam, and a termite inspection gap above interior rigid foam.

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Spray foam on concrete foundation wall with framed interior wall

CAD File

Loyal Heights Home Addition Video #002: Framing Details

Video

Video of a contractor explaining details of properly framing a home in Seattle, WA using proper Hammer & Hand practices.

Concrete Floor Problems, BSI-003

Reference

Information guide describing issues with concrete floors, in multiple climate zones.

There is no polyethylene sheeting installed in the crawlspace

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Polyethylene sheeting covers the aggregate and extends down and under the footing to provide a capillary break between the ground and the slab and monolithic footing

CAD File

Slab-on-grade radon control techniques

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Frost-Protected Shallow Foundations Reduce Costs, Save Energy

Reference

Article describing frost-protected shallow foundations with construction drawing details.

Cold Climate Building Techniques and Concepts: building a raised floor

Video

Video from Cold Climate Housing Research Center describing building a raised floor in cold climates for air-sealing and insulation purposes.

Decision-making process for foundation design

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Points of radon entry into buildings

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Structural system components of a basement

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Soil gas collection and discharge techniques

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Frost-Protected Shallow Foundations 1

Reference

Guides describing frost-protected shallow foundations as an alternative method for building an energy-efficient foundation for a house in a cold climate that uses less concrete and saves on labor.

Frost-Protected Shallow Foundations

Reference

Article describing what the building codes say about frost-protected shallow foundations as a cost-saving alternative to conventional concrete foundations.